U.S. patent application number 17/630549 was filed with the patent office on 2022-08-11 for adapter.
The applicant listed for this patent is Dongguan Wontravel Electric Co., Ltd.. Invention is credited to Xiaolong LI, Liangguan LIN, Yingde PAN.
Application Number | 20220255275 17/630549 |
Document ID | / |
Family ID | |
Filed Date | 2022-08-11 |
United States Patent
Application |
20220255275 |
Kind Code |
A1 |
LIN; Liangguan ; et
al. |
August 11, 2022 |
ADAPTER
Abstract
The present invention provides an adapter which comprises a
housing, a support assembly, a circuit board and at least two pin
assemblies wherein the pin assemblies are arranged layer by layer
in sequence, and the support assembly comprises a first support
frame used for installing a live-wire connecting sheet and a
null-wire connecting sheet and a second support frame used for
installing the pin assemblies; the first support frame and the
circuit board are arranged at the top and the bottom of the second
support frame respectively; The present invention can solve the
problem in the prior art that an adapter takes on a low internal
part utilization rate and its housing takes on a low internal space
utilization rate.
Inventors: |
LIN; Liangguan; (Guangdong,
CN) ; LI; Xiaolong; (Guangdong, CN) ; PAN;
Yingde; (Guangdong, CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Dongguan Wontravel Electric Co., Ltd. |
Dongguan, Guangdong |
|
CN |
|
|
Appl. No.: |
17/630549 |
Filed: |
March 30, 2020 |
PCT Filed: |
March 30, 2020 |
PCT NO: |
PCT/CN2020/082063 |
371 Date: |
January 27, 2022 |
International
Class: |
H01R 31/06 20060101
H01R031/06; H01R 24/68 20060101 H01R024/68; H01R 13/66 20060101
H01R013/66; H01R 13/68 20060101 H01R013/68; H01R 13/629 20060101
H01R013/629 |
Foreign Application Data
Date |
Code |
Application Number |
Jul 31, 2019 |
CN |
201910701511.9 |
Claims
1. An adapter, which is characterized in that the adapter comprises
a housing, a support assembly, a circuit board and at least two pin
assemblies wherein the pin assemblies are arranged layer by layer
in sequence, and the support assembly comprises a first support
frame used for installing a live-wire connecting sheet and a
null-wire connecting sheet and a second support frame used for
installing the pin assemblies; the first support frame and the
circuit board are arranged at the top and the bottom of the second
support frame respectively; the housing is connected with a
plurality of pin assembly propelling devices; the second support
frame is connected with a plurality of guide devices corresponding
to the pin assemblies one to one; the pin assemblies are connected
with the corresponding guide devices in a slidable manner; the
live-wire connecting sheet, the null-wire connecting sheet and the
pin assemblies are electrically connected with the circuit board;
the top of the housing is provided with a plurality of jacks at the
positions corresponding to the live-wire connecting sheet and the
null-wire connecting sheet, and the bottom of the housing is
provided with a plurality of jacks at the positions corresponding
to the pin assemblies; the propelling devices can drive the
corresponding pin assemblies to move between the active position
and the inactive position; when a pin assembly is at the active
position, the pin assembly is connected with an external socket;
when a pin assembly is at an inactive position, the pin assembly is
located inside the housing.
2. The adapter in accordance with claim 1, which is characterized
in that a guide device comprises a guide rod and a guide block
wherein the guide rod is fixed onto the second support frame and
the guide block is arranged on the outer side of the guide rod and
protrudes from the guide rod in the radial direction; when a pin
assembly is at the inactive position, the corresponding propelling
device is butted with the end of the corresponding guide block
wherein the end is adjacent to the second support frame or butted
with the lateral of the corresponding guide block; when a pin
assembly is at the active position, the corresponding propelling
device is butted with the end of the corresponding guide block far
away from the second support frame.
3. The adapter in accordance with claim 2, which is characterized
in that the adapter comprises a first pin assembly, a second pin
assembly, a first propelling device and a second propelling device
wherein the first pin assembly is connected with the corresponding
guide device in a slidable manner and the first propelling device
is arranged at the upper end of the first pin assembly; the second
pin assembly is connected with the corresponding guide device in a
slidable manner and the second propelling device is arranged at the
upper end of the second pin assembly.
4. The adapter in accordance with claim 3, which is characterized
in that the first pin assembly comprises a first base and two first
pins symmetrically arranged relative to the center of the first
base wherein the two first pins are arranged at the bottom of the
first base and the first base is provided with a first slide groove
which allow the corresponding guide device to pass through; a first
propelling device comprises a first propelling rod, a first pushing
piece and two first limit blocks symmetrically arranged on both
sides of the first propelling rod wherein the first base is
provided with two first protruding blocks corresponding to the
first limit blocks, the first propelling rod is connected with the
first base in a slidable manner, the first push rod is provided
with a second slide groove which allows the corresponding guide
device to pass through, the first pushing piece is arranged on the
lateral of the first propelling rod and protrudes from the outer
surface of the housing, the housing is provided with a first guide
groove which allows the first pushing piece to slide and the width
of the first pushing piece is greater than the width of the first
guide groove.
5. The adapter in accordance with claim 3, which is characterized
in that the second pin assembly comprises a second base, two second
pins symmetrically arranged relative to the center of the second
base and a third pin arranged at the bottom of the housing wherein
the second pins are arranged at the bottom of the second base, the
third pin is connected with the bottom of the housing and the
bottom of the second base is provided with a push rod which drives
the third pin to rotate and the second base is provided with a
third slide groove which allows the corresponding guide device to
pass through; the second propelling device comprises a second
propelling rod and a second pushing piece wherein the second base
is provided with a second protruding block, the second propelling
rod is connected with the second base in a slidable manner, the
second push rod is provided with a fourth slide groove which allows
the corresponding guide device to pass through, the second pushing
piece is arranged on the lateral of the second propelling rod and
protrudes from the outer surface of the housing, the housing is
provided with a second guide groove which allows the second pushing
piece to slide and the width of the second pushing piece is greater
than the width of the second guide groove.
6. The adapter in accordance with claim 5, which is characterized
in that the housing comprises an upper cover and a lower cover
which is detachably connected with the upper cover wherein the
lower cover is connected with a limit assembly which is used to
allow a single pin assembly to protrude from the housing; the limit
assembly comprises a gland cover and a second limit block wherein
the gland cover is provided with two first apertures which allow
the first pins to pass through and two second apertures which allow
the second pins to pass through; the top of the second limit block
is provided with a first guide slope arranged corresponding to the
bottoms of the first pins and a second guide slope arranged
corresponding to the bottoms of the second pins.
7. The adapter in accordance with claim 6, which is characterized
in that the third pin is, wedged at the bottom of the gland cover
and one end of the third pin is connected with the gland cover
through the rotation of the rotating shaft; the gland cover is
provided with an aperture which allows the corresponding push rod
to pass through and the third pin is located right under the
aperture.
8. The adapter in accordance with claim 3, which is characterized
in that the second support frame is connected with a plurality of
conductive rods corresponding to the pin assemblies wherein the
circuit board is electrically connected with the pin assemblies via
the corresponding conductive rods.
9. The adapter in accordance with claim 3, which is characterized
in that the top of the first support frame is connected with a
first safety protection door and two second safety protection doors
wherein the two second safety protection doors are symmetrically
arranged relative to the first safety protection door, two first
resilient elements are connected between the first safety
protection door and the inner wall of the housing and two second
resilient elements are connected between the second safety
protection doors and the first support frame; the lateral of the
first support frame is connected with a third safety protection
door wherein a third resilient element is connected between the
third safety protection door and the lateral wall of the first
support frame.
10. The adapter in accordance with claim 7, which is characterized
in that one side of the first safety protection door is provided
with a third guide slope, the other side of the first safety
protection door is provided with two fourth guide slopes
symmetrically arranged relative to the first guide slope and the
two fourth guide slopes are located right above the live-wire
connecting sheet and the null-wire connecting sheet respectively;
the second safety protection doors are provided with two fifth
guide slopes wherein the fifth guide slopes are arranged opposite
to the second resilient element and the fifth guide slopes are
located right above the live-wire connecting sheet or the null-wire
connecting sheet; the third safety protection door is provided with
two sixth guide slopes wherein the two sixth guide slopes are
arranged corresponding to the live-wire connecting sheet and the
null-wire connecting sheet respectively.
11. The adapter in accordance with claim 1, which is characterized
in that the adapter also comprises a third pin assembly wherein the
third pin assembly comprises a third base, a support housing and
two fourth pins symmetrically arranged relative to the center of
the third base; the third base is connected with a third pushing
piece and the third pushing piece is arranged on the outer side of
the housing, the two fourth pins are arranged at the bottom of the
third base and the outer side of the housing is provided with a
third guide groove which allows the third pushing piece to slide;
the support housing is provided with two guide apertures wherein
the fourth pins are wedged into the corresponding guide apertures,
the support housing is provided with a third slide groove which
allows the third base to slide and the height of the third slide
groove is smaller than the height of the support housing.
12. The adapter in accordance with claim 1, which is characterized
in that the circuit board is provided with a plurality of USB
interfaces wherein two opposite laterals of the housing are
provided with a plurality of jacks corresponding to the USB
interfaces.
13. The adapter in accordance with claim 8, which is characterized
in that the upper cover is provided with a cavity wherein the
cavity accommodates a group of fuses and the outside of the cavity
is connected with a cover body.
Description
BACKGROUND OF THE INVENTION
[0001] The present invention relates to the technical field of an
electrical plug, in particular relates to an adapter.
[0002] In real life, the plugs of electronic products are designed
differently and the design standards of different countries are
different; therefore, the plugs of electrical appliances bought in
different countries cannot be plugged conveniently into the power
socket, resulting in the problem that mobile phones or other
electronic devices cannot be charged and thus resulting in great
trouble to people's life; especially when traveling, such problem
is in particular obvious; therefore, it is particularly necessary
to carry an adapter.
[0003] However, when the plugs of different types are placed in the
housing of an adapter in the prior art, the plugs of different
types occupy much space in the housing so that the part utilization
rate inside the housing and the space utilization rate of the
housing cannot be improved.
BRIEF SUMMARY OF THE INVENTION
[0004] Based on this, the purpose of the present invention is to
provide an adapter to solve the problem in the prior art that an
adapter takes on a low internal part utilization rate and its
housing takes on a low internal space utilization rate.
[0005] As a technical solution of the present invention: an adapter
comprises a housing, a support assembly, a circuit board and at
least two pin assemblies wherein the pin assemblies are arranged
layer by layer in sequence, and the support assembly comprises a
first support frame used for installing a live-wire connecting
sheet and a null-wire connecting sheet and a second support frame
used for installing the pin assemblies; the first support frame and
the circuit board are arranged at the top and the bottom of the
second support frame respectively; the housing is connected with a
plurality of propelling devices; the second support frame is
connected with a plurality of guide devices corresponding to the
pin assemblies one to one; the pin assemblies are connected with
the corresponding guide devices in a slidable manner; the live-wire
connecting sheet, the null-wire connecting sheet and the pin
assemblies are electrically connected with the circuit board; the
top of the housing is provided with a plurality of jacks at the
positions corresponding to the live-wire connecting sheet and the
null-wire connecting sheet, and the bottom of the housing is
provided with a plurality of jacks at the positions corresponding
to the pin assemblies;
[0006] the propelling devices can drive the corresponding pin
assemblies to move between the active position and the inactive
position; when a pin assembly is at the active position, the pin
assembly is connected with an external socket; when a pin assembly
is at an inactive position, the pin assembly is located inside the
housing.
[0007] Optionally, a guide device comprises a guide rod and a guide
block wherein the guide rod is fixed onto the second support frame
and the guide block is arranged on the outer side of the guide rod
and protrudes from the guide rod in the radial direction;
[0008] when a pin assembly is at the inactive position, the
corresponding propelling device is butted with the end of the
corresponding guide block wherein the end is adjacent to the second
support frame or butted with the lateral of the corresponding guide
block; when a pin assembly is at the active position, the
corresponding propelling device is butted with the end of the
corresponding guide block far away from the second support
frame.
[0009] Optionally, the adapter comprises a first pin assembly, a
second pin assembly, a first propelling device and a second
propelling device wherein the first pin assembly is connected with
the corresponding guide device in a slidable manner and the first
propelling device is arranged at the upper end of the first pin
assembly;
[0010] the second pin assembly is connected with the corresponding
guide device in a slidable manner and the second propelling device
is arranged at the upper end of the second pin assembly.
[0011] Optionally, the first pin assembly comprises a first base
and two first pins symmetrically arranged relative to the center of
the first base wherein the two first pins are arranged at the
bottom of the first base and the first base is provided with first
slide grooves which allow the corresponding guide devices to pass
through;
[0012] a first propelling device comprises a first propelling rod,
a first pushing piece and two first limit blocks symmetrically
arranged on both sides of the first propelling rod wherein the
first base is provided with two first protruding blocks
corresponding to the first limit blocks, the first propelling rod
is connected with the first base in a slidable manner, the first
push rod is provided with a second slide groove which allows the
corresponding guide device to pass through, the first pushing piece
is arranged on the lateral of the first propelling rod and
protrudes from the outer surface of the housing, the housing is
provided with a first guide groove which allows the first pushing
piece to slide and the width of the first pushing piece is greater
than the width of the first guide groove.
[0013] Optionally, the second pin assembly comprises a second base,
two second pins symmetrically arranged relative to the center of
the second base and a third pin arranged at the bottom of the
housing wherein the second pins are arranged at the bottom of the
second base, the third pin is rotatably connected with the bottom
of the housing and the bottom of the second base is provided with a
push rod which drives the third pin to rotate and the second base
is provided with a third slide groove which allows the
corresponding guide device to pass through;
[0014] the second propelling device comprises a second propelling
rod and a second pushing piece wherein the second base is provided
with a second protruding block, the second propelling rod is
connected with the second base in a slidable manner, the second
push rod is provided with a fourth slide groove which allows the
corresponding guide device to pass through, the second pushing
piece is arranged on the lateral of the second propelling rod and
protrudes from the outer surface of the housing, the housing is
provided with a second guide groove which allows the second pushing
piece to slide and the width of the second pushing piece is greater
than the width of the second guide groove.
[0015] Optionally, the housing comprises an upper cover and a lower
cover which is detachably connected with the upper cover wherein
the lower cover is connected with a limit assembly which is used to
allow a single pin assembly to protrude from the housing; the limit
assembly comprises a gland cover and a second limit block wherein
the gland cover is provided with two first apertures which allow
the first pins to pass through and two second apertures which allow
the second pins to pass through;
[0016] the top of the second limit block is provided with a first
guide slope arranged corresponding to the bottoms of the first pins
and a second guide slope arranged corresponding to the bottoms of
the second pins.
[0017] Optionally, the third pin is wedged at the bottom of the
gland cover and one end of the third pin is connected with the
gland cover through the rotation of the rotating shaft;
[0018] the gland cover is provided with an aperture which allows
the corresponding push rod to pass through and the third pin is
located right under the aperture.
[0019] Optionally, the second support frame is connected with a
plurality of conductive rods corresponding to the pin assemblies
wherein the circuit board is electrically connected with the pin
assemblies via the corresponding conductive rods.
[0020] Optionally, the top of the first support frame is connected
with a first safety protection door and two second safety
protection doors wherein the two second safety protection doors are
symmetrically arranged relative to the first safety protection
door, two first resilient elements are connected between the first
safety protection door and the inner wall of the housing and two
second resilient elements are connected between the second safety
protection doors and the first support frame;
[0021] the lateral of the first support frame is connected with a
third safety protection door wherein a third resilient element is
connected between the third safety protection door and the lateral
wall of the first support frame.
[0022] Optionally, one side of the first safety protection door is
provided with a third guide slope, the other side of the first
safety protection door is provided with two fourth guide slopes
symmetrically arranged relative to the first guide slope and the
two fourth guide slopes are located right above the live-wire
connecting sheet and the null-wire connecting sheet
respectively;
[0023] the second safety protection doors are provided with two
fifth guide slopes wherein the fifth guide slopes are arranged
opposite to the second resilient element and the fifth guide slopes
are located right above the live-wire connecting sheet or the
null-wire connecting sheet;
[0024] the third safety protection door is provided with two sixth
guide slopes wherein the two sixth guide slopes are arranged
corresponding to the live-wire connecting sheet and the null-wire
connecting sheet respectively.
[0025] Optionally, the adapter also comprises a third pin assembly
wherein the third pin assembly comprises a third base, a support
housing and two fourth pins symmetrically arranged relative to the
center of the third base; the third base is connected with a third
pushing piece and the third pushing piece is arranged on the outer
side of the housing, the two fourth pins are arranged at the bottom
of the third base and the outer side of the housing is provided
with a third guide groove which allows the third pushing piece to
slide;
[0026] the support housing is provided with two guide apertures
wherein the fourth pins are wedged into the corresponding guide
apertures, the support housing is provided with a third slide
groove which allows the third base to slide and the height of the
third slide groove is smaller than the height of the support
housing.
[0027] Optionally, the circuit board is provided with a plurality
of USB interfaces wherein two opposite laterals of the housing are
provided with a plurality of jacks corresponding to the USB
interfaces.
[0028] Optionally, the upper cover is provided with a cavity
wherein the cavity accommodates a group of fuses and the outside of
the cavity is connected with a cover body.
[0029] Any embodiment of the present invention has the beneficial
effects that:
[0030] The adapter in the present invention is provided with a
support assembly comprising a first support frame and a second
support frame wherein the first support frame is used for
installing the live-wire connecting sheet and the null-wire
connecting sheet so that an external plug can be inserted into the
live-wire connecting sheet and the null-wire connecting sheet
mounted onto the first support frame; the second support frame is
connected with a plurality of guide devices, the housing is
connected with a plurality of propelling devices and the pin
assemblies slide along the guide devices to the outside of the
housing under the propelling effect of the propelling devices to
realize the connection of the pin assemblies with external sockets;
the bottom of the second support frame is connected with a circuit
board to realize the electrification of the live-wire connecting
sheet, the null-wire connecting sheet and the pin assemblies;
[0031] the adapter in the present invention comprises a support
assembly while the circuit board, the pin assemblies, the live-wire
connecting sheet and the null-wire connecting sheet of the adapter
are arranged on the support assembly; therefore, the adapter in the
present invention has the advantages of high internal space
utilization rate and high internal part utilization rate;
therefore, the volume of the adapter can be smaller so that the
adapter can be carried more conveniently.
BRIEF DESCRIPTION OF THE DRAWINGS
[0032] FIG. 1 is the structural view I of the adapter in the
present invention.
[0033] FIG. 2 is the structural view II of the adapter in the
present invention.
[0034] FIG. 3 is the structural view III of the adapter in the
present invention.
[0035] FIG. 4 is the structural view IV of the adapter in the
present invention.
[0036] FIG. 5 is an exploded structural view of the adapter in the
present invention.
[0037] FIG. 6 is a structural view of connecting a support
assembly, a first pin assembly, a second pin assembly and a circuit
board in the present invention.
[0038] FIG. 7 is a structural view of connecting a guide device and
a second support frame in the present invention.
[0039] FIG. 8 is a structural view of connecting a first pin
assembly and a support assembly in the present invention.
[0040] FIG. 9 is a structural view of a first pin assembly in the
present invention at the inactive position.
[0041] FIG. 10 is a structural view of a first pin assembly in the
present invention at the active position.
[0042] FIG. 11 is a structural view of connecting a second pin
assembly and a support assembly in the present invention.
[0043] FIG. 12 is a structural view of a second pin assembly in the
present invention at the inactive position.
[0044] FIG. 13 is a structural view of a second pin assembly in the
present invention at the active position.
[0045] FIG. 14 is a structural view of a third pin assembly in the
present invention.
[0046] FIG. 15 is a structural view of a limit assembly in the
present invention.
DESCRIPTION OF MARKS IN THE ABOVE FIGURES
[0047] 1--circuit board; 2--housing; 21--upper cover; 22--lower
cover; 3--first propelling device; 31--first propelling rod;
32--first pushing piece; 33--first limit block; 34--second slide
groove; 4--first pin assembly; 41--first base; 42--first pin:
43--first slide groove; 44--first protruding block; 5--second
propelling device; 51--second propelling rod; 52--second pushing
piece; 53--fourth slide groove; 6--second pin assembly; 61--second
base; 62--second pin; 63--third pin; 64--push rod; 65--third slide
groove; 66--second protruding block; 7--support assembly; 71--first
support frame; 72--second support frame; 8--limit assembly;
81--gland cover; 82--second limit block; 83--first aperture;
84--second aperture; 85--first guide slope; 86--second guide slope;
9--guide device; 91--guide rod; 95--guide block; 10--first safety
protection door; 11--second safety protection door; 12--third
safety protection door; 13--third guide slope; 14--fourth guide
slope; 15--fifth guide slope; 16--live-wire connecting sheet;
17--null-wire connecting sheet; 18--third pin assembly; 181--third
base; 182--support housing; 183--fourth pin; 184--third slide
groove; 185--third pushing piece; 19--USB interface; 20--jack;
30--fuse; 40--cover body; 50--third guide groove; 60--decorative
sheet; 70--first resilient element; 80--second resilient element;
90--third resilient element; 100--conductive rod; 101--sixth guide
slope; 102--first guide groove; 103--second guide groove.
DETAILED DESCRIPTION OF THE INVENTION
[0048] The technical solutions of the present invention will be
described more clearly and fully in conjunction with drawings in
the embodiments of the present invention, and obviously, the
described embodiments are merely a part of the embodiments of the
present invention, not all the embodiments. Based on the
embodiments of the present invention, all the other embodiments
obtained by the ordinary skilled in the art without creative labors
belong to the scope claimed by the present invention.
[0049] In the description of the present invention, it should be
understood that the directional or positional relationships
indicated by the terms "upper", "lower", "left", "right", "top",
"bottom" refer to the directional or positional relationships shown
in the accompanying drawings, only used for the convenience of
describing the present invention and simplifying the description,
not used for indicating or implying that the devices or elements
concerned must have specific directions, or constructed or operated
in specific directions; therefore, such words cannot be understood
as a limitation on the present invention.
[0050] As shown from FIG. 1 to FIG. 15, an embodiment of the
present invention provides an adapter which comprises a housing
(2), a support assembly (7), a circuit board (1) and at least two
pin assemblies based on different standards wherein the pin
assemblies are arranged layer by layer in sequence, and the support
assembly (7) comprises a first support frame (71) used for
installing a live-wire connecting sheet (16) and a null-wire
connecting sheet (17) and a second support frame (72) used for
installing the pin assemblies based on different standards; the
first support frame (71) and the circuit board (1) are arranged at
the top and the bottom of the second support frame (72)
respectively; the housing (2) is connected with a plurality of pin
assembly propelling devices; the second support frame (72) is
connected with a plurality of guide devices (9) corresponding to
the pin assemblies one to one; the pin assemblies are connected
with the corresponding guide devices (9) in a slidable manner; the
live-wire connecting sheet (16), the null-wire connecting sheet
(17) and the pin assemblies are electrically connected with the
circuit board (1); the top of the housing (2) is provided with a
plurality of jacks (20) at the positions corresponding to the
live-wire connecting sheet (16) and the null-wire connecting sheet
(17); and the bottom of the housing (2) is provided with a
plurality of jacks (20) at the positions corresponding to the pin
assemblies.
[0051] The propelling devices can drive the corresponding pin
assemblies to move between the active position and the inactive
position; when a pin assembly is at the active position, the pin
assembly is connected with an external socket; when a pin assembly
is at the inactive position, the pin assembly is located inside the
housing.
[0052] Based on the above design, the adapter in the present
invention is provided with a support assembly (7) comprising a
first support frame (71) and a second support frame (72) wherein
the first support frame (71) is used for installing the live-wire
connecting sheet (16) and the null-wire connecting sheet (17) so
that an external plug can be inserted into the live-wire connecting
sheet (16) and the null-wire connecting sheet (17) mounted onto the
first support frame (71); the second support frame (72) is
connected with a plurality of guide devices (9), the housing (2) is
connected with a plurality of propelling devices and the pin
assemblies slide along the guide devices (9) to the outside of the
housing (2) under the propelling effect of the propelling devices
to realize the connection of the pin assemblies with external
sockets; the bottom of the second support frame (72) is connected
with a circuit board (1) to realize the electrification of the
live-wire connecting sheet (16), the null-wire connecting sheet
(17) and the pin assemblies;
[0053] the adapter in the present invention comprises a support
assembly (7) while the circuit board (1), the pin assemblies, the
live-wire connecting sheet (16) and the null-wire connecting sheet
(17) of the adapter are arranged on the support assembly (7);
therefore, the adapter in the present invention has the advantages
of high internal space utilization rate and high internal part
utilization rate; therefore, the volume of the adapter can be
smaller so that the adapter can be carried more conveniently.
[0054] In this embodiment, as shown from FIG. 1 to FIG. 7, in order
to facilitate the movement of the pin assemblies along the guide
devices (9), a guide device (9) comprises a guide rod (91) and a
guide block (92) wherein the guide rod (91) is fixed onto the
second support frame (72), and the guide block (92) is arranged on
the outer side of the guide rod (91) and protrudes from the guide
rod (91) in the radial direction;
[0055] when a pin assembly is at the inactive position, the
corresponding propelling device is butted with the end of the
corresponding guide block (92) wherein the end is adjacent to the
second support frame (72) or butted with the lateral of the
corresponding guide block (92); when a pin assembly is at the
active position, the corresponding propelling device is butted with
the end of the corresponding guide block (92) far away from the
second support frame (72) Specifically, the guide blocks (92) play
a role in positioning and guiding the movement of the corresponding
pin assemblies wherein the specific working process is as
follows:
[0056] The propelling devices can push the pin assemblies to move
up and down; therefore, when a propelling device is butted with the
end of the corresponding guide block (92) wherein the end is
adjacent to the second support frame (72) and the corresponding pin
assembly is fully located inside the housing (2) so that the pin
assembly is placed inside the housing (2); when a propelling device
is butted with the lateral of the corresponding guide block (92),
the corresponding pin assembly moves up or down: when a propelling
device is butted with the end of the corresponding guide block (92)
far away from the second support frame (72), the corresponding pin
assembly is fully located outside the housing (2) so that the pin
assembly can be inserted into an external socket.
[0057] In this embodiment, as shown from FIG. 1 to FIG. 13, the
adapter in the present invention comprises a first pin assembly
(4), a second pin assembly (6), a first propelling device (3) and a
second propelling device (5) wherein the first pin assembly (4) is
connected with the corresponding guide device (9) in a slidable
manner and the first propelling device (3) is arranged at the upper
end of the first pin assembly (4):
[0058] the second pin assembly (6) is connected with the
corresponding guide device (9) in a slidable manner and the second
propelling device (5) is arranged at the upper end of the second
pin assembly (5); in an embodiment of the present invention, the
first pin assembly (4) is an American pin assembly and the second
pin assembly (6) so that the adapter in the present invention can
be applicable to the plug standards of multiple countries and thus
possesses excellent compatibility.
[0059] In this embodiment, as shown from FIG. 1 to FIG. 10, in
order to enable the first pin assembly (4) to better slide relative
to the corresponding guide device (9), the first pin assembly (4)
comprises a first base (41) and two first pins (42) symmetrically
arranged relative to the center of the first base (41) wherein the
two first pins (42) are arranged at the bottom of the first base
(41) and the first base (41) is provided with a first slide groove
(43) which allows the corresponding guide device (9) to pass
through;
[0060] the first propelling device (3) comprises a first propelling
rod (31), a first pushing piece (32) and two first limit blocks
(33) symmetrically arranged on both sides of the first propelling
rod (31) wherein the first base (41) is provided with two first
protruding blocks (44) corresponding to the first limit blocks
(33). the first propelling rod (31) is connected with the first
base (41) in a slidable manner, the first push rod (64) is provided
with a second slide groove (34) which allows the corresponding
guide device (9) to pass through, the first pushing piece (32) is
arranged on the lateral of the first propelling rod (31) and
protrudes from the outer surface of the housing (2), the housing
(2) is provided with a first guide groove (102) which allows the
first pushing piece (32) to slide and the width of the first
pushing piece (32) is greater than the width of the first guide
groove (102). Specifically, the first base (41) is arranged for
fixing the two first pins (42); the first pushing piece (32) and
the first push rod (64) are arranged so that the first pushing
piece (32) can pass on the external force applied by the user to
the first propelling rod (31) to make the first propelling rod (31)
move horizontally and vertically; the first protruding blocks (44)
and the first limit blocks (33) are arranged to limit the
horizontal movement of the first propelling rod (31);
[0061] the movement process of the first pin assembly (4) is as
follows: when it is necessary to switch the first pin assembly (4)
from the inactive position to the active position, the user needs
to press the first pushing piece (32) so that the first limit
blocks (33) are butted with the first protruding blocks (44) and
the first slide groove (43) is pushed to move towards the first
protruding blocks (44), and then the user needs to push the first
pushing piece (32) downwards for a certain distance of travel along
the first guide groove (102), that is, when the first pushing piece
(32) cannot continue moving downwards, and then the user needs to
make the first pushing piece (32) move outwards; at the moment, the
first limit blocks (33) are separated from the first protruding
blocks (44) and the end of the first propelling rod (31) is butted
with the end of the corresponding guide block (92) which the end is
far away from the second support frame (72)
[0062] when it is necessary to switch the first pin assembly (4)
from the active position to the inactive position, the user needs
to press the first pushing piece (32) to make the first limit block
(33) be butted with the first protruding block (44) and push the
first slide groove (43) to move towards the first protruding block
(44), and then the user needs to push the first pushing piece (32)
upwards for a certain distance of travel along the first guide
groove (102), that is, when the first pushing piece (32) cannot
continue moving upwards, and then the user needs to make the first
pushing piece (32) move outwards; at the moment, the first limit
blocks (33) are separated from the first protruding blocks (44) and
the end of the first push rod (64) is butted with the end of the
corresponding guide block (92) which the end is far away from the
second support, frame (72).
[0063] In this embodiment, as shown in FIG. 1, FIG. 2, FIG. 3, FIG.
4, FIG. 5, FIG. 6, FIG. 7, FIG, 11, FIG, 12 and FIG. 13, in order
to enable the second pin assembly (6) to better slide relative to
the corresponding guide device (9), the second pin assembly (6)
comprises a second base (61), two second pins (62) symmetrically
arranged relative to the center of the second base (61) and a third
pin (63) arranged at the bottom of the housing (2) wherein the two
second pins (62) are arranged at the bottom of the second base
(61), the third pin (63) is rotatably connected at the bottom of
the housing (2), the bottom of the housing (61) is provided with a
push rod (64) which pushes the third pin (63) to rotate and the
second base (61) is provided with a third slide groove (65) which
allows the corresponding guide device (9) to pass through;
[0064] the second propelling device (5) comprises a second
propelling rod (51) and a second pushing piece (52) wherein the
second base (61) is provided with a second protruding block (66),
the second propelling rod (51) is connected with the second base
(61) in a slidable manner, the second push rod (64) is provided
with a fourth slide groove (53) which allows the corresponding
guide device (9) to pass through, the second pushing piece (52) is
arranged on the lateral of the second propelling rod (51) and
protrudes from the outer surface of the housing (2), the housing
(2) is provided with a second guide groove (103) which allows the
second pushing piece (52) to slide and the width of the second
pushing piece (52) is greater than the width of the second guide
groove (103). Specifically, the second base (61) is arranged for
fixing the two second pins (62); the second pushing piece (52) and
the second push rod (64) are arranged so that the second pushing
piece (52) can pass on the external force applied by the user to
the second propelling rod (51) to make the second propelling rod
(51) move horizontally and vertically; the second protruding block
(66) is arranged and the side of the second propelling rod (51) far
away from the second pushing piece (52) is provided with a notch so
that the second propelling device (5) can stop moving and thus
limit the horizontal movement of the second propelling rod (51)
when the side wall of the notch of the second propelling rod (51)
is butted with the second protruding block (66); the third pin (63)
and the push rod (64) are arranged so that the push rod (64) can
rotate outwards and thus protrude from the outer side of the
housing (2) when the push rod (64) moves downwards and contacts the
third pin (63);
[0065] the movement process of the second pin assembly (6) is as
follows: when it is necessary to switch the second pin assembly (6)
from the inactive position to the active position, the user needs
to press the second pushing piece (52) so that the second limit
block (82) is butted with the second protruding black (66) and
pushes the second slide groove (34) to move towards the second
protruding block (66), and then the user needs to push the second
pushing piece (52) downwards for a certain distance of travel along
the second guide groove (103), that is, when the second pushing
piece (52) cannot continue moving downwards, and then the user
needs to make the second pushing piece (52) move outwards; at the
moment, the second limit block (82) is separated from the second
protruding block (66) and the end of the second propelling rod (51)
is butted with the end of the corresponding guide block (92) which
the end is far away from the second support frame (72):
[0066] when it is necessary to switch the second pin assembly (6)
from the active position to the inactive position, the user needs
to press the second pushing piece (52) so that the second limit
block (82) is butted with the second protruding block (66) and the
second slide groove (34) moves towards the second protruding block
(66), and then the user needs to push the second pushing piece (52)
upwards for a certain distance of travel along the second guide
groove (103), that is, when the second pushing piece (52) cannot
continue moving upwards, and then the user needs to make the second
pushing piece (52) move outwards; at the moment, the second limit
block (82) is separated from the second protruding block (66) and
the end of the second push rod (64) is butted with the end of the
corresponding guide block (92) which the end is far away from the
second support frame (72).
[0067] In this embodiment, as shown in FIG. 5 and FIG. 15, in order
to ensure safe use of electricity, the housing (2) comprises an
upper cover (21) and a lower cover (22) which is detachably
connected with the upper cover (21) wherein the lower cover (22) is
connected with a limit assembly (8) which is used to allow single
pin assembly to protrude from the housing (2); the limit assembly
(8) comprises a gland cover (81) and a second limit block (82)
wherein the gland cover (81) is provided with two first apertures
(83) which allow the first pins (42) to pass through and two second
apertures (84) which allow the second pins (62) to pass
through;
[0068] the top of the second limit block (82) is provided with a
first guide slope (86) arranged corresponding to the bottoms of the
first pins (42) and a second guide slope (86) arranged
corresponding to the bottoms of the second pins (62). Specifically,
the gland cover (81) is arranged wherein the connection between the
gland cover (81) and the lower cover (22) is detachable, the gland
cover (81) and the lower cover (22) can ensure no vertical movement
of the second limit block (82) and thus ensure the position
limiting effect of the second limit block (82) on the first pins
(42) or the second pins (62); charged hardware is connected between
the gland cover (81) and the lower cover (22) to facilitate the
electrical connection of the first pin assembly (4), the second pin
assembly (6) and the third pin assembly (18) with the circuit board
(1);
[0069] when the first pin assembly moves downwards and contacts the
first guide slope (85) of the second limit block (82). the second
limit block (82) will move towards the second apertures (84) and
the top of the second limit block (82) will move to the position
right under the second apertures (84) so that the second limit
block (82) can limit the position of the second pins (62); when the
second pins (62) move downwards and contact the second guide slope
(86) of the second limit block (82), the second limit block (82)
will move towards the first apertures (83) and the top of the
second limit block (82) will move to the position right under the
first apertures (83) so that the second limit block (82) can limit
the position of the first pins (42); therefore, the limit assembly
(8) in this embodiment makes only the first pin assembly (4) or the
second pin assembly (6) protrude from the housing (2) and thus can
ensure safe use of electricity.
[0070] In this embodiment, as shown in FIG. 5 and FIG. 15, in order
to facilitate the rotation of the third pin (63), the third pin
(63) is wedged at the bottom of the gland cover (81) and one end of
the third pin (63) is rotatably connected with the gland cover (81)
via the rotating shaft;
[0071] the gland cover (81) is provided with an aperture which
allows the push rod (64) to pass through and the third pin (63) is
located right under the aperture. Specifically, when the push rod
(64) moves and reaches the aperture of the gland cover (81), the
push rod (64) will apply a downward force to the third pin (63) and
the third pin (63) will protrude from the housing (2) around the
rotating shaft.
[0072] In this embodiment, as shown in FIG. 5, FIG. 9, FIG. 10,
FIG. 12 and FIG, 13, the second support frame (72) is connected
with a plurality of conductive rods (100) corresponding to the pin
assemblies and the circuit board (1) is electrically connected with
the pin assemblies via the corresponding conductive rods (100) to
facilitate the electrical connection of the circuit board (1) with
the first pin assembly (4) and the second pin assembly (6).
[0073] In this embodiment, as shown in FIG. 1, FIG. 2, FIG. 3, FIG.
4, FIG. 5 and FIG. 6, in order to ensure electrical safety of the
adapter in the present invention, the top of the first support
frame (71) is connected with a first safety protection door (10)
and two second safety protection doors (11) wherein the second
safety protection doors (11) are symmetrically arranged relative to
the first safety protection door (10), two first resilient elements
(70) are connected between the first safety protection door (10)
and the inner wall of the housing (2) and two second resilient
elements (80) are connected between the second safety protection
doors (11) and the first support frame (71);
[0074] the lateral of the first support frame (71) is connected
with a third safety protection door (12) wherein a third resilient
element (90) is connected between the third safety protection door
(12) and the lateral wall of the first support frame (71).
Specifically, the first safety protection door (10), the second
safety protection doors (11) and third safety protection door (12)
can prevent a child from electric shock accident caused by the
insertion of his car her finger into the housing (2) or the
insertion of the user's finger into the housing (2) due to any
improper operation: both the first resilient elements (70) and the
second resilient elements (80) are springs and the third resilient
element is a resilient sheet; certainly, the user can use resilient
elements made from other resilient materials because the present
invention is without special limitations on the resilient
materials;
[0075] the top of the housing (2) is provided with eight jacks (20)
and one lateral of the housing (2) is provided with two jacks (20)
so that the space inside the adapter can be utilized effectively
and the adapter can made smaller to be carried more
conveniently.
[0076] In this embodiment, as shown in FIG. 5 and FIG. 6, one side
of the first safety protection door (10) is provided with a third
guide slope (13), the other side of the first safety protection
door (10) is provided with two fourth guide slopes (14)
symmetrically arranged relative to the first guide slope (85) and
the two fourth guide slopes (14) are located right above the
live-wire connecting sheet (16) and the null-wire connecting sheet
(17) respectively wherein the third guide slope (13) and the fourth
guide slope (14) guide the external plugs to facilitate the
movement of the first safety protection door (10); when an external
plug is inserted into the live-wire connecting sheet (16) and the
null-wire connecting sheet (17) via the jacks (20) at the top of
the housing (2), the first safety protection door (10) will be
pushed by the external plug and the first safety protection door
(10) will move towards the inner wall of the housing (2) along the
top of the first support frame (71) and the first resilient
elements (70) will be pushed and pressed and thus insert the
external plug; when the external plug is pulled out from the
live-wire connecting sheet (16) and the null-wire connecting sheet
(17), the external plug will not push the first safety protection
door (10) and the first resilient elements (70) will be released
and thus return the first safety protection door (10) to the
original position;
[0077] the second safety protection doors (11) are provided with
two fifth guide slopes (15) the fifth guide slopes (15) are
arranged opposite to the second resilient elements (80) and the
fifth guide slopes (15) are located right above the live-wire
connecting sheet (16) or the null-wire connecting sheet (17)
wherein the fifth guide slopes (15) guide the external plugs to
facilitate the movement of the second safety protection doors (11);
when an external plug is inserted into the live-wire connecting
sheet (16) and the null-wire connecting sheet (17) via the jacks
(20) at the top of the housing (2), the second safety protection
doors (11) will be pushed by the external plug and the second
safety protection doors (11) will move towards the inner wall of
the first support frame (71) along the top of the first support
frame (71) and the second resilient elements (80) will be pushed
and pressed and thus insert the external plug; when the external
plug is pulled out from the live-wire connecting sheet (16) and the
null-wire connecting sheet (17), the external plug will not push
the second safety protection doors (11) and the second resilient
elements (80) will be released and thus return the second safety
protection doors (11) to the original position;
[0078] the third safety protection door (12) is provided with two
sixth guide slopes (101), the sixth guide slopes (101) are
arranged, opposite to the live-wire connecting sheet (16) and the
null-wire connecting sheet (17) wherein the sixth guide slopes
(101) guide the external plugs to facilitate the movement of the
third safety protection door (12); when, an external plug is
inserted into the live-wire connecting sheet (16) and the null-wire
connecting sheet (17) via the jacks (20) at the top of the housing
(2), the third safety protection door (12) will be pushed by the
external plug and the third safety protection door (12) will move
towards the lateral wall of the first support frame (71) and the
third resilient element (90) will be pushed and pressed and thus
insert the external plug; when the external plug is pulled out from
the live-wire connecting sheet (16) and the null-wire connecting
sheet (17), the external plug will not push the third safety
protection door (11) and the third resilient element (90) will be
released and thus return the third safety protection door (12) to
the original position.
[0079] In this embodiment, as shown in FIG. 3. FIG. 4, FIG. 5 and
FIG. 14, in order to enable the adapter in the present invention
adapt to plugs of different specifications, the adapter in the
present invention also comprises a third pin assembly (18) wherein
third pin assembly (18) comprises a third base (181), a support
housing (182) and two fourth pins (183) symmetrically arranged
relative to the center of the third base (181); the third base
(181) is connected with a third pushing piece (185) and the third
pushing piece (185) is arranged outside the housing (2), the two
fourth pins (183) are arranged at the bottom of the third base
(181) and the lateral of the housing (2) is provided with a third
guide groove (50) which allows the third pushing piece (185) to
slide;
[0080] the support housing (182) is provided with two guide
apertures, the fourth pins (183) are wedged into the corresponding
guide apertures, the support housing (182) is provided with a third
slide groove (184) which allows the third base (181) to slide and
the height of the third slide groove (184) is smaller than the
height of the support housing (182). Specifically, the third pin
assembly (18) is an American plug; when it is necessary to switch
the third pin assembly (18) from the inactive position to the
active position, the user can press the third pushing piece (185)
so that the lateral of the third pushing piece (185) is butted with
the inner wall of the third base (181) and then the user needs to
push the third pushing piece (185) downwards for a certain distance
of travel, that is, when the bottom of the third base (181) is
butted with the bottom of the slide groove, the third pin assembly
(18) can be inserted into an external plug;
[0081] when it is necessary to switch the third pin assembly (18)
from the active position to the inactive position, the user can
press the third pushing piece (185) so that the lateral of the
third pushing piece (185) is butted with the inner wall of the
third base (181) and then the user needs to push the third pushing
piece (185) upwards for a certain distance of travel, that is, when
the top of the third base (181) is butted with the upper cover
(21), the third pin assembly (18) is fully located inside the
housing (2).
[0082] In this embodiment, as shown from FIG. 1 to FIG. 4, the
circuit board (1) is provided with a plurality of USB interfaces
(19) wherein two opposite laterals of the housing (2) are provided
with a plurality of jacks (20) corresponding to the USB interfaces
(19); two opposite laterals of the circuit board (1) are provided
with two USB interfaces (19) and three USB interfaces (19)
respectively to effectively utilize the space inside the housing
(2) and thus achieve smaller volume of the adapter and thus enable
the adapter in the present invention to be carried more
conveniently.
[0083] In this embodiment, as shown in FIG. 5, the upper cover (21)
is provided with a cavity wherein the cavity accommodates a group
of fuses (30) and the outer side of the cavity is connected with a
cover body to facilitate the user's replacement of the fuses and
thus improve safe use of the adapter.
[0084] In this embodiment, as shown in FIG. 5, the top of the
housing (2) is provided with a decorative sheet to enhance the
appearance decoration effect of the adapter.
[0085] To sum up, the adapter in the present invention is provided
with a support assembly (7) comprising a first support frame (71)
and a second support frame (72) wherein the first support frame
(71) is used for installing the live-wire connecting sheet (16) and
the null-wire connecting sheet (17) so that an external plug can be
inserted into the live-wire connecting sheet (16) and the null-wire
connecting sheet (17) mounted onto the first support frame (71);
the second support frame (72) is connected with a plurality of
guide devices (9), the housing (2) is connected with a plurality of
propelling devices and the pin assemblies slide along the guide
devices (9) to the outside of the housing (2) under the propelling
effect of the propelling devices to realize the connection of the
pin assemblies with external sockets; the bottom of the second
support frame (72) is connected with a circuit board (1) to realize
the electrification of the live-wire connecting sheet (16), the
null-wire connecting sheet (17) and the pin assemblies:
[0086] the adapter in the present invention comprises a support
assembly (7) while the circuit board (1), the pin assemblies, the
live-wire connecting sheet (16) and the null-wire connecting sheet
(17) of the adapter are arranged on the support assembly (7);
therefore, the adapter in the present invention has the advantages
of high internal space utilization rate and high internal part
utilization rate; therefore, the volume of the adapter can be
smaller so that the adapter can be carried more conveniently.
[0087] It should be understood that the terms "first", "second" and
the like appearing in the present invention are used to describe
various information, but the information should not be limited to
these terms wherein these terms are merely used to distinguish the
information of the same type. For example, without departing from
the scope of the present invention, the information described as
"first" may also be referred to as the information described as
"second", and similarly, the information described as "second" may
also be referred to as the information described as "first".
[0088] What are described above are only the preferred embodiments
of the present invention; it should be pointed out that the
ordinary technicians skilled in the technical field can make
improvements and modifications without departing from the technical
principle of the present invention wherein such improvements and
modifications also should belong to the scope claimed by the
present invention.
* * * * *